环境筛Environmental Seize 种子传播往往是随机的但种子的保存和萌发却严格地受到微环境的制约种子的初始密度和分布格局往往与幼苗的密度和格局不相一致地表为环境的差异对种子的保存和萌发以及幼苗的成长都具有强大的筛选作用这种作用称为环境筛 种群新成员的补充与更新是一个种子生态特性和幼苗更新能力与环境筛相互作用的过程这一过程不仅影响种群的数量动态也对种群的空间格局和遗传结构造成深远的影响
这组定向筛查将确保在一个资源有限的环境下以合理的价格提供口腔癌筛查服务。
Targeted screening of this group will ensure that screening can be offered at a reasonable cost in a limited-resource setting.
通过对346个具有潜在化学污染风险的点进行筛查，这一全球环境基金项目识别出58个重点污染源作为采取后续措施的重点。
The project succeeded in screening 346 sites with potential chemical contamination risks and identifying 58 priority pollution sources for follow-up mitigation actions.
相应的配套设施有除盐水站、循环水站、CDQ环境除尘地面站、筛焦楼除尘地面站。
The relevant auxiliary facilities are consisted of desalting station, water recirculating station, CDQ environmental dedusting ground station and dedusting ground station for coke screening building.
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